APA (7th ed.) Citation

Spencer, A. (2014). The happy life checklist: 654 simple ways to find your bliss. Penguin Group.

Chicago Style (17th ed.) Citation

Spencer, Amy. The Happy Life Checklist: 654 Simple Ways to Find Your Bliss. New York: Penguin Group, 2014.

MLA (8th ed.) Citation

Spencer, Amy. The Happy Life Checklist: 654 Simple Ways to Find Your Bliss. Penguin Group, 2014.

Warning: These citations may not always be 100% accurate.